With the development of the livestock industry, the state for the supervision of veterinary drug industry continue to strengthen veterinary veterinary drug industry packaging as an important part in vigorous development, the main material is polyethylene plastic bottle of veterinary medicine (PE), polypropylene (PP), polyester (PET).
　　The main characteristics of polyethylene: mainly divided into high-density polyethylene (HDPE) and low density polyethylene (LDPE), the appearance of waxy, opaque, good toughness, low temperature, high temperature resistance.
　　The main characteristics of polypropylene: generally divided into two types are ordinary and high transparent, which has high hardness, high temperature and high pressure.
　　The main characteristics of polyester: polymer by polyol and how much acid polycondensation of the general term, mainly refers to polyethylene terephthalate (PET), poly (ethylene terephthalate) Ding Erzhi (PBT) and poly (aryl ester). Its main features are: good transparency and gloss, the appearance of the bottle is beautiful and generous, the main production process for injection blow and two steps, with good barrier performance.